Lancoon 4 Pack Door Stop Alarm, 120Db Loud Portable Wedge Entrance Alert Anti Theft Burglar Safety Tools For Home Security Apart

How To Use It? 1) Put One 9V Battery(Not Included) 2) Select Sensitivity Level: M(Meddle), L(Low), H(High) 3) Turn On Alarm 4) Insert Alarm Under Door Features 1) Home Safety Guarantee. 2) Stainless Steel Cover, Small Size. A Wedge-Shaped Alarm Prevents Intruders From Opening The Door. 3) The Adjustable Sensitivity Switch Can Prevent Tampering. Powered By A 9 Volt Battery (Not Included). 4) It Has Three Sensitivity Levels And Super Noise. When Activated, A Continuous 120 Db High Tone Alarm Will Sound. 5) Easy To Operate, Just Put It Under The Door. Specifications Color: Black Material: Plastic+Metal Working Modes: Vibration Sensor Volume Of The Alarm: 120 Db Three Sensitivity: High, Medium, Low Power Supply: 1*9V Battery (Not Included) Size: 14*4.5*4Cm/5.51*1.77*1.57In Package Content: 4 X Door Stopper Alarm